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Commit | Line | Data |
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3392d6ca SR |
1 | package PVE::QemuServer::Machine; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
2ea5fb7e | 6 | use PVE::QemuServer::Helpers; |
3392d6ca SR |
7 | use PVE::QemuServer::Monitor; |
8 | ||
3392d6ca SR |
9 | sub machine_type_is_q35 { |
10 | my ($conf) = @_; | |
11 | ||
12 | return $conf->{machine} && ($conf->{machine} =~ m/q35/) ? 1 : 0; | |
13 | } | |
14 | ||
15 | # this only works if VM is running | |
16 | sub get_current_qemu_machine { | |
17 | my ($vmid) = @_; | |
18 | ||
19 | my $res = PVE::QemuServer::Monitor::mon_cmd($vmid, 'query-machines'); | |
20 | ||
21 | my ($current, $default); | |
22 | foreach my $e (@$res) { | |
23 | $default = $e->{name} if $e->{'is-default'}; | |
24 | $current = $e->{name} if $e->{'is-current'}; | |
25 | } | |
26 | ||
27 | # fallback to the default machine if current is not supported by qemu | |
28 | return $current || $default || 'pc'; | |
29 | } | |
30 | ||
2ea5fb7e SR |
31 | sub extract_version { |
32 | my ($machine_type) = @_; | |
3392d6ca | 33 | |
2ea5fb7e SR |
34 | if ($machine_type && $machine_type =~ m/^((?:pc(-i440fx|-q35)?|virt)-(\d+)\.(\d+))/) { |
35 | return "$3.$4"; | |
3392d6ca SR |
36 | } |
37 | ||
2ea5fb7e | 38 | return undef; |
3392d6ca SR |
39 | } |
40 | ||
2ea5fb7e SR |
41 | sub machine_version { |
42 | my ($machine_type, $version_major, $version_minor) = @_; | |
3392d6ca | 43 | |
2ea5fb7e SR |
44 | return PVE::QemuServer::Helpers::min_version( |
45 | extract_version($machine_type), $version_major, $version_minor); | |
3392d6ca SR |
46 | } |
47 | ||
48 | # dies if a) VM not running or not exisiting b) Version query failed | |
49 | # So, any defined return value is valid, any invalid state can be caught by eval | |
50 | sub runs_at_least_qemu_version { | |
51 | my ($vmid, $major, $minor, $extra) = @_; | |
52 | ||
53 | my $v = PVE::QemuServer::Monitor::mon_cmd($vmid, 'query-version'); | |
54 | die "could not query currently running version for VM $vmid\n" if !defined($v); | |
55 | $v = $v->{qemu}; | |
56 | ||
57 | return version_cmp($v->{major}, $major, $v->{minor}, $minor, $v->{micro}, $extra) >= 0; | |
58 | } | |
59 | ||
60 | sub qemu_machine_pxe { | |
61 | my ($vmid, $conf) = @_; | |
62 | ||
63 | my $machine = get_current_qemu_machine($vmid); | |
64 | ||
65 | if ($conf->{machine} && $conf->{machine} =~ m/\.pxe$/) { | |
66 | $machine .= '.pxe'; | |
67 | } | |
68 | ||
69 | return $machine; | |
70 | } | |
71 | ||
72 | 1; |